Modern's abc+ Of Science - Physics For Class IX>Chapter 4 - Floating Bodies>Formative Assessment>Q 8

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Pressure is a vector quantity.

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Important Questions on Floating Bodies

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IMPORTANT

Modern's abc+ Of Science - Physics For Class IX>Chapter 4 - Floating Bodies>Formative Assessment>Q 9

Give two applications where they are beneficial:

(a) high pressure

(b) low pressure

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Modern's abc+ Of Science - Physics For Class IX>Chapter 4 - Floating Bodies>Formative Assessment>Q 10

A force of

200 N

acts on an area of

1 {cm}^{2}

uniformly. Find the pressure in Pascal.

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Modern's abc+ Of Science - Physics For Class IX>Chapter 4 - Floating Bodies>Formative Assessment>Q 11

A uniform cube of edge length $5 cm$ and a mass

5 kg

is kept on a tabletop. Find the pressure due to the cube on the tabletop on the portion where the cube touches the tabletop. (Take

g = 10 m / s^{2}

)

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Modern's abc+ Of Science - Physics For Class IX>Chapter 4 - Floating Bodies>Formative Assessment>Q 12

A girl with the weight

40 kgf

is wearing sandal with heal of area

2 {cm}^{2}

. Find the pressure exerted by the girl on the ground. (Take

g = 10 m / s^{2}

)

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Modern's abc+ Of Science - Physics For Class IX>Chapter 4 - Floating Bodies>Formative Assessment>Q 13

Find the greatest and the least pressure which a metal block of size

5 cm \times 10 cm \times 15 cm

can exert if the mass of the block is

50 kg

. Take,

g = 10 m / s^{2}

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IMPORTANT

Modern's abc+ Of Science - Physics For Class IX>Chapter 4 - Floating Bodies>Formative Assessment>Q 14

The atmospheric pressure at a place is

10^{5} Pa

. What thrust does it exert on a tabletop of area

1 m^{2}

?

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Modern's abc+ Of Science - Physics For Class IX>Chapter 4 - Floating Bodies>Formative Assessment>Q 1

In what direction does the buoyant force on an object immersed in a liquid act?

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Modern's abc+ Of Science - Physics For Class IX>Chapter 4 - Floating Bodies>Formative Assessment>Q 2

When a partially floating body is pressed down a little, its weight will increase.